These are changeable times for Facebook! Lot's of updates and new features currently happening, but adding 'subscriptions' is a biggie!
You can now subscribe to people who previously may have not accepted you as a friend or have reached the 5000 friend limit and you can get their updates in your newsfeed! This is very exciting for people who want to use Facebook primarily for business, but not as exciting for those who really want to keep their personal profile personal.
The good news, for some, is that you have the option whether to turn it on, or leave it off!
I've attached a video below. Jo Barnes at The Social Networking Academy, explains this new option brilliantly. Or, you can click here to learn more info, directly from Facebook: